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AMERICAN CAPITAL MANAGEMENT INC: SEIC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMERICAN CAPITAL MANAGEMENT INC on SEIC, newest first. How the timeline and the estimate are built.

AMERICAN CAPITAL MANAGEMENT INC held 745,323 SEIC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 745,323 shares
    Change vs previous 13F -23,292 shares

    2.93% of the 13F portfolio, value $65,372,280.

    13F-HR 0001104659-26-097334 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 768,615 shares
    Change vs previous 13F +193,796 shares

    3.24% of the 13F portfolio, value $60,313,219.

    13F-HR 0001104659-26-062771 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 574,819 shares
    Change vs previous 13F +9,702 shares

    2.08% of the 13F portfolio, value $47,146,654.

    13F-HR 0001104659-26-016553 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 565,117 shares
    Change vs previous 13F +101,341 shares

    1.91% of the 13F portfolio, value $47,950,177.

    13F-HR 0001104659-25-112700 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 463,776 shares
    Change vs previous 13F -57,130 shares

    1.73% of the 13F portfolio, value $41,674,911.

    13F-HR 0001104659-25-078772 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 520,906 shares
    Change vs previous 13F +23,706 shares

    1.65% of the 13F portfolio, value $40,437,933.

    13F-HR 0001104659-25-049586 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 497,200 shares
    Change vs previous 13F +192,814 shares

    1.53% of the 13F portfolio, value $41,009,056.

    13F-HR 0001104659-25-011376 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 304,386 shares
    Change vs previous 13F not available

    0.69% of the 13F portfolio, value $21,060,467.

    13F-HR 0001104659-24-119240 filed by AMERICAN CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).